Deposit ID | 10089044 |
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MRDS ID | W007882 |
MAS/MILS ID | 0160390003 |
Record type | Site |
Current site name | Monarch Mine |
Geographic coordinates: | -115.11563, 43.77989 (WGS84) |
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Elevation | 2134 |
Relative position | 2 1/2 MI S OF ATLANTLA |
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Country | State | County |
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United States | Idaho | Elmore |
Meridian | Township | Range | Section | Fraction | State |
---|---|---|---|---|---|
Boise | 005N | 011E | 11 | NE | Idaho |
Commodity | Importance |
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Gold | Primary |
Silver | Tertiary |
Tungsten | Tertiary |
Materials | Type of material |
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Argentite | Ore |
Miargyrite | Ore |
Polybasite | Ore |
Pyrargyrite | Ore |
Silver | Ore |
Stephanite | Ore |
Pyrite | Gangue |
Quartz | Gangue |
Result | $7.50 - $2000 AU, AG/TON. ANDERSON, 1939, REPORTS $7.25 AU AND AG/TON ASSAY FOR AVERAGE 7.5 FT ORE ZONE |
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Result | 1 30-FT. WIDE CROSSCUT AVERAGED $20.80 AU AND $1.40 AG (BASED ON $20.67 AU). ORE ON 2 LOWER LEVELS AVERAGED $7.50/TON AU AND AG. |
Host or associated | Associated |
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Rock type | Plutonic Rock > Porphyry > Lamprophyre |
Host or associated | Host |
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Rock type | Plutonic Rock > Granitoid > Quartz Monzonite |
Host or associated | Host |
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Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
Rock unit name | Idaho Batholith;Idaho Batholith |
Rock description | Idaho Batholith;Idaho Batholith |
(1) | -115.11563, 43.77989 |
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General form | LENTICULAR |
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Strike | N 70 DEG E |
Dip | NW |
Thickness | 1.83M |
Depth to bottom | 182.88M |
Depth to top | 27.43M |
Width | 30.48M |
Length | 259.08M |
Operation type | Underground |
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Development status | Past Producer |
Commodity type | Metallic |
Deposit size | Medium |
Significant | No |
Discovery year | 1863 |
Discovery method | Ore-Mineral In Place |
Year of first production | 1865 |
District name | Atlanta District Or Middle Boise District |
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Ownership category | Private |
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Type of workings | Underground |
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Length | 1280.16M |
Overall depth | 182.88M |
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Mineral Resources Data System | MRDS | W007882 | |
Idaho Geological Survey | Idaho Mines and Prospects | IMP | HA__69 | http://www.idahogeology.org/ |
U.S. Bureau of Mines | Minerals Availability System | MAS | 0160390003 | data consolidated into this record |
Ballard, S. M., 1928, Geology And Ore Deposits Of The Rocky Bar Quadrangle: Idaho Bureau Of Mines & Geol. Pam. 26, P. 31.
Anderson, A.L., 1939, Geology And Ore Deposits Of The Atlanta District, Elmore County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 49, 71 P.
1928 Geolmap Idaho Bureau Of Mines & Geol. Pam. 26
1939 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 49
Ballard, S. M., 1928, Idaho Bureau Of Mines & Geol. Pam. 26, P. 31 ; Anderson, A.L., 1939, Idaho Bureau Of Mines And Geology Pamphlet 49, 71 P.
Subject category | Comment text |
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Deposit | Pettit And Dump Raise Veins Strike N 80 To 85 Deg W, Dip 80 Deg Sw. |
Type | Date | Name | Affiliation | Comment |
---|---|---|---|---|
Reporter | 01-OCT-1975 | Steigner, William D. | U.S. Geological Survey | |
Updater | 01-AUG-1976 | Everett, Sandra E. | U.S. Geological Survey | |
Updater | 01-FEB-1993 | Frank, Dave | U.S. Geological Survey | |
Reporter | 01-MAR-1995 | Western Field Operations Center (WFOC) | U.S. Bureau of Mines |